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<html lang="en">
<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root"></div>
    <script src="../vue3基础源码/vue3.js"></script>
    <script>
        const app = Vue.createApp({
            setup(){
                const {provide,ref} = Vue;

                provide("name","zhang");

                return {};
            },
            template:`<test />`
        });

        app.component("test",{
            template:`<div>{{name}}</div>`,
            setup(){
                const {inject} = Vue;
                let name = inject("name")

                return {name};
            }
        })


        const vm = app.mount("#root");
    </script>
</body>
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